863435268 has 48 divisors (see below), whose sum is σ = 2246872320. Its totient is φ = 286740000.

The previous prime is 863435233. The next prime is 863435269. The reversal of 863435268 is 862534368.

It is a happy number.

863435268 is a `hidden beast` number, since 8 + 634 + 3 + 5 + 2 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (863435269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14518 + ... + 44018.

It is an arithmetic number, because the mean of its divisors is an integer number (46809840).

Almost surely, 2^863435268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863435268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123436160).

863435268 is an abundant number, since it is smaller than the sum of its proper divisors (1383437052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863435268 is a wasteful number, since it uses less digits than its factorization.

863435268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29785 (or 29777 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 863435268 is about 29384.2690567589. The cubic root of 863435268 is about 952.2330729501.

The spelling of 863435268 in words is "eight hundred sixty-three million, four hundred thirty-five thousand, two hundred sixty-eight".